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Bidirectional elastic cement buffer

A kind of elastic cement, two-way technology, applied in the direction of buffers, solid shock absorbers, railway car body parts, etc., can solve the problems of small axial installation size and application restrictions, so as to prevent unbalanced load, save installation space, compact effect

Active Publication Date: 2011-05-18
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the influence of the axial installation size and the stroke of the buffer, the elastic cement buffer of this structure is limited in its application when the axial installation size is small and the structure requirements are compact.

Method used

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  • Bidirectional elastic cement buffer
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  • Bidirectional elastic cement buffer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] like Figures 1 to 2 The specific embodiment shown: a two-way elastic mastic buffer, including a cylinder 1, a right end cover 2, an elastic mastic 3, a piston rod 4, an outer cylinder 6, a left end cover 7, and a left seal 8 and a right seal 9. The cylinder body 1 is set inside the outer cylinder body 6, and a positioning sleeve 5 is arranged between the cylinder body 1 and the outer cylinder body 6. The two ends of the cylinder body 1 are respectively connected with the right end cap 2 and the left end cap 7, elastically The cement 3 is set in the cylinder body 1, and the two ends of the piston rod 4 respectively pass through the center of the right end cover 2 and the left end cover 7, and can be movably fitted inside the cylinder body 1, and the largest diameter part of the piston rod 4 is in contact with the cylinder body 1. There is a gap between which the elastic cement 3 can flow in the cylinder 1 , the left seal 8 is arranged between the piston rod 4 and the le...

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PUM

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Abstract

The invention relates to a bidirectional elastic cement buffer comprising a cylinder, a right end cover, elastic cement, a piston rod, an outer cylinder, a left end cover, a left sealing part and a right sealing part. The cylinder is sleeved in the outer cylinder; both ends of the cylinder are respectively connected with the right end cover and the left end cover; the elastic cement is sleeved inthe cylinder; and both ends of the piston rod respectively penetrate through the centers of the right end cover and the left end cover and can be movably sleeved in the cylinder. The invention has compact structure and can respectively extend out of a space enclosed by the cylinder from both ends of the piston rod, thereby saving the mounting space and solving the problem of limited mounting size. Meanwhile, a throttle clearance between the piston rod and the cylinder generates damping action, and the elastic cement is solely compressed to together absorb heat; and the piston rod can avoid overlarge unbalance loads by the auxiliary positioning and guiding actions of the outer cylinder.

Description

technical field [0001] The invention relates to a vehicle buffer, in particular to an elastic cement buffer used between railway passenger cars, freight cars and urban rail vehicles. Background technique [0002] Buffers (or shock absorbers) are widely used in various fields such as automobiles, construction machinery, petroleum machinery, highway bridges, etc. There are many types of buffers or shock absorbers used, but the main working medium is oil pressure Shock absorbers, spring shock absorbers and rubber shock absorbers and other categories. The buffers used between trains on rail vehicles mainly include spring buffers, friction buffers, rubber buffers, friction rubber buffers, hydraulic buffers and air buffers. [0003] With the development of science and technology and the continuous advent of new materials and new processes, elastic cement as a polymer material has shown its good cushioning properties, and has been successfully applied to high-speed trains, passeng...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/30B61G11/00
Inventor 宿方宗毛丛强阳华平
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST